‘The training stays with you’: the elite Mexican soldiers recruited by cartels

Delfino was handpicked twice. At 18, he was chosen by the Mexican army to join its elite unit, the airborne special forces group known by its Spanish acronym, Gafe, where he specialized as a sniper.

https://www.theguardian.com/world/2018/feb/10/mexico-drug-cartels-soldiers-military